Bosch Rexroth Z1S 6 Check Valve


The Bosch Rexroth Z1S 6 valve is a direct operated check valve with a sandwich plate design. It is used for leakage-free blocking in one direction while allowing for free flow in the opposite direction. A characteristic features is the check valve installation set made of high-performance plastic. This permanently ensures high leak-tightness even at low operating pressures. The lack of internal seals allows different hydraulic fluids to be used.

The valve has a maximum operating pressure of 350 bar and a maximum flow of 40 litres/minute. Cracking pressures are: 0.5 | 1.5 | 3 | 5.

Other features of the Bosch Rexroth Z1S 6 check valve include:

  • Size 6;
  • Component series 4X;
  • Sandwich plate valve for use in vertical stackings:
    – as angle valve
    – as straight-through valve
  • Porting pattern according to ISO 4401-03-02-0-05;
  • Various one and two-channel blocking functions;
  • Perfect leak-tightness due to poppet made of high-performance plastic;
  • Corrosion-protected design;
  • Easily adjustable to special hydraulic fluids by exchanging the external seal rings;
  • Optional measuring ports;
  • As throttle check valve on request.

Contact us for further technical details and configuration options.

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